According to the National Institute of Child Health and Human

According to the National Institute of Child Health and Human Development (NICHD) Three-Tier System of Fetal Heart Rate Classification,category III tracings include all fetal heart rate (FHR) tracings not categorized as category I or II.Which characteristics of the fetal heart rate belong in category III?

A) Baseline rate of 110 to 160 beats/min
B) Tachycardia
C) Absent baseline variability not accompanied by recurrent decelerations
D) Variable decelerations with other characteristics such as shoulders or overshoots
E) Absent baseline variability with recurrent variable decelerations
F) Bradycardia